<!-- Horizontal Form -->
 <div class="box box-info">
      <div class="box-header with-border">
        <h3 class="box-title">添加菜单</h3>
      </div>
      <!-- /.box-header -->
      <!-- form start -->
      <form class="form-horizontal">
        <div class="box-body">
          <div class="form-group">
            <label for="nameId" class="col-sm-2 control-label">类型</label>
            <div class="col-sm-10 typeRadio">
              	<label class="radio-inline">
				<input type="radio" name="typeId" value="1" checked> 菜单 </label>
				<label class="radio-inline">
				<input type="radio" name="typeId" value="2"> 按钮 </label>
            </div>
          </div>
          <div class="form-group">
            <label for="nameId" class="col-sm-2 control-label">菜单名称</label>
            <div class="col-sm-10">
              <input type="text" class="form-control"  id="nameId" placeholder="名称">
            </div>
          </div>
          <div class="form-group">
            <label for="parentId" class="col-sm-2 control-label">上级菜单</label>
            <div class="col-sm-10">
              <input type="text" class="form-control load-sys-menu" readonly="readonly" id="parentId" placeholder="上级菜单">
            </div>
          </div>
          <div class="form-group">
            <label for="urlId" class="col-sm-2 control-label">菜单URL</label>
            <div class="col-sm-10">
              <input type="text" class="form-control"  id="urlId" placeholder="url">
            </div>
          </div>
          <div class="form-group">
			<label for="permissionId" class="col-sm-2 control-label">授权标识：</label>
			<div class="col-sm-10">
				<input type="text" id="permissionId"
				       placeholder="多个用逗号分隔，如：user:list,user:create"
					   class="form-control">
			</div>
		  </div>
		  <div class="form-group">
				<label for="sortId" class="col-sm-2 control-label">排序号：</label>
				<div class="col-sm-10">
					<input type="text" id="sortId" placeholder="排序号"
						class="form-control">
				</div>
		 </div>
        </div>
        <!-- /.box-body -->
        <div class="box-footer">
          <button type="button" class="btn btn-default btn-cancel">Cancel</button>
          <button type="button" class="btn btn-info pull-right btn-save">Save</button>
        </div>
        <!-- /.box-footer -->
      </form>
      <!-- zTree 对应的div -->
      <div class="layui-layer layui-layer-page layui-layer-molv layer-anim" id="menuLayer" type="page" times="2" showtime="0" contype="object"
		style="z-index:59891016; width: 300px; height: 450px; top: 100px; left: 500px; display:none">
		<div class="layui-layer-title" style="cursor: move;">选择菜单</div>
		<div class="layui-layer-content" style="height: 358px;">
			<div style="padding: 10px;" class="layui-layer-wrap">
				<ul id="menuTree" class="ztree"></ul>    <!-- 动态加载树 -->
			</div>
		</div>
		<span class="layui-layer-setwin"> <a class="layui-layer-ico layui-layer-close layui-layer-close1 btn-cancel" ></a></span>
		<div class="layui-layer-btn layui-layer-btn-">
			<a class="layui-layer-btn0 btn-confirm">确定</a>
			<a class="layui-layer-btn1 btn-cancel">取消</a>
	     </div>
      </div>
  </div>

  <script type="text/javascript">

  var zTree; //zTree是第三方扩展的一个Jquery插件
  //初始化zTree时会用到
  var setting = {
  	data : {
  		simpleData : {
  			enable : true,//表示使用简单数据模式
  			idKey : "id",  //节点数据中保存唯一标识的属性名称
  			pIdKey : "parentId",  //节点数据中保存其父节点唯一标识的属性名称
  			rootPId : null  //根节点id
  		}//json 格式javascript对象
  	}
  }//json 格式的javascript对象
  $(function(){
	  $(".form-horizontal")//事件不能注册到$("#mainContentId")对象上
	  .on("click",".load-sys-menu",doLoadZtreeNodes);
	  
	  $("#menuLayer")
      .on("click",".btn-confirm",doSetSelectNode)
      .on("click",".btn-cancel",doHideTree);
	  
	  $(".box-footer")
	  .on("click",".btn-cancel",doCancel)
	  .on("click",".btn-save",doSaveOrUpdate)
	  let data=$("#mainContentId").data("rowData");
	  if(data)doInitEditFormData(data);

  })
  function doInitEditFormData(data){
		/*   $("input[type='radio']").each(function(){
			  if($(this).val()==data.type){
				  $(this).prop("checked",true);
			  }
		  }) */
		  $(".typeRadio input[value='"+data.type+"']").prop("checked",true);
		  $("#nameId").val(data.name);
		  $("#sortId").val(data.sort);
		  $("#urlId").val(data.url);
		  $("#permissionId").val(data.permission);
		  $("#parentId").val(data.parentName);
		  $("#parentId").data("parentId",data.parentId);
  }

  //获取表单数据
  function doGetEditFormData(){
	  let params={
	    type:$("form input[name='typeId']:checked").val(),
		name:$("#nameId").val(),
		url:$("#urlId").val(),
		sort:$("#sortId").val(),
		permission:$("#permissionId").val(),
		parentId:$("#parentId").data("parentId")
	  }
	  return params;
  }
  //添加操作和更新操作都使用这个方法
  function doSaveOrUpdate(){
	  //1.获取表单数据
      let params=doGetEditFormData();
      let rowData=
	   $("#mainContentId").data("rowData");
	  //2.异步提交表单数据(post)
	   let url=`${baseUrl}/menu/`;
       let requestMethod=rowData?"put":"post";
	   if(rowData)params.id=rowData.id;
      $.ajax({
          method:requestMethod,
          url:url,
          data:JSON.stringify(params),
          contentType:"application/json",
          crossDomain: true,
          xhrFields: {withCredentials: true},
          success(result){
              if(result.state==1){
                  alert(result.message);
                  doCancel();
              }else{
                  alert(result.message);
              }
          }
      });
  }
  //编辑页面cancel事件处理
  function doCancel(){
	  //1.定义url
	  let url="/modules/sys/menu_list.html";
	  //2.异步加载列表页面
	  $("#mainContentId").load(url);
  }
  
  //zTree取消按钮事件处理函数
  function doHideTree(){
		 $("#menuLayer").css("display","none");
  }
  //zTree确定按钮事件处理函数
  function doSetSelectNode(){
	  //1.获取选中的节点对象
	  let nodes=zTree.getSelectedNodes();
	  if(nodes.length==1){
	   let selectedNode=nodes[0];
       let rowData=$("#mainContentId").data("rowData");
       if(rowData){//修改时做如下处理
        //判定当前选中的上级菜单节点是否为当前要修改节点的子节点.
    	  let flag=isChild(rowData.id,selectedNode);
    	  if(flag){
    		  alert("不能选择当前节点以及对应子节点");
    		  return;
    	  }
       }
	  //2.将对象中内容,填充到表单
	   $("#parentId").data("parentId",selectedNode.id);
	   $("#parentId").val(selectedNode.name);
      }
	  //3.隐藏树对象
	  doHideTree();
  }
  //判定当前选中节点是否是当前节点的子节点
  function isChild(currentNodeId,selectNode){
	 if(selectNode.id==currentNodeId)return true;
	 let node=selectNode.getParentNode();
	 if(!node)return false;
	 return isChild(currentNodeId,node);
  }
  function doLoadZtreeNodes(){
	  let url=`${baseUrl}/menu/treeNodes`;
	  //异步加载数据,并初始化数据
	  $.ajax({url:url,crossDomain:true,xhrFields:{withCredentials:true},success(result){
		  if(result.state==1){
			  //使用init函数需要先引入ztree对应的js文件
			  zTree=$.fn.zTree.init(
					  $("#menuTree"),
					  setting,
					  result.data);//id,name,parentId
			   //doRemoveNodeFromZtree();//修改时,可考虑此方案
			   //显示zTree对应的div
			   $("#menuLayer").css("display","block");
		  }else{
			  alert(result.message);
		  }
	  }})
  }
  function doRemoveNodeFromZtree(){
	  //判定是否是修改,假如是修改,从zTree中移除当前菜单以及对应子菜单
      let rowData=$("#mainContentId").data("rowData");
	   if(rowData){//rowData有值,表示是修改.
		  console.log("zTree",zTree);
		  //1.获取当前的菜单对象
		  let node=zTree.getNodeByParam("id",rowData.id,null);
		  console.log("node",node);
		  //2.移除当前菜单.
		  zTree.removeNode(node);
	   }
  }

 </script>
    
    
    
    
    
    
    
    
    